Emit 'Unknown' download size for spawned backends

Follow up to 867a8d4 and
736585f

It is up to the individual maintainers of the respective backends
to add support for this as required.

Author: joebonrichie

backends/entropy/entropyBackend.py

@@ -28,6 +28,8 @@
 import traceback
 import threading
 
+from gi.repository import GLib
+
 from packagekit.enums import *
 
 from packagekit.backend import PackageKitBaseBackend, get_package_id, \
@@ -1140,7 +1142,7 @@ def get_details(self, package_ids):
                 continue
 
             self.details(pk_pkg, '', lic, self._get_pk_group(category),
-                         description, homepage, self._get_pkg_size(pkg))
+                         description, homepage, self._get_pkg_size(pkg), GLib.MAXUINT64)
 
         self.percentage(100)
 

backends/pisi/pisiBackend.py

@@ -35,6 +35,7 @@
 
 import pisi
 import pisi.ui
+from gi.repository import GLib
 from packagekit.backend import *
 from packagekit.package import PackagekitPackage
 from packagekit import enums
@@ -171,7 +172,7 @@ def get_details(self, package_ids):
                 else ''
 
             self.details(pkg_id, '', ",".join(pkg.license), group, pkg.description,
-                         homepage, pkg.packageSize)
+                         homepage, pkg.packageSize, GLib.MAXUINT64)
         else:
             self.error(ERROR_PACKAGE_NOT_FOUND, "Package was not found")
 

backends/portage/portageBackend.py

@@ -36,6 +36,7 @@
 import layman.config
 import layman.db
 import layman.remotedb
+from gi.repository import GLib
 # packagekit imports
 from packagekit.backend import (
     PackageKitBaseBackend,
@@ -966,7 +967,8 @@ def get_details(self, pkgs):
                 self._get_pk_group(cpv),
                 metadata["DESCRIPTION"],
                 metadata["HOMEPAGE"],
-                self._get_size(cpv)
+                self._get_size(cpv),
+                GLib.MAXUINT64
             )
 
             self.percentage(percentage)